鲁奇造气炉内夹套更换焊接工艺探讨

DISCUSSION OF THE WELDING PROCESS FOR THE INTERNAL JACKET REPLACEMENT OF LURGI GASIFIER

ＭＡＲＫ－ＩＶ型造气炉在运行过程中发生严重鼓包变形，需更换内夹套。就更换过程中旧板拆除、新板组焊等施工过程作了全面介绍，重点探讨了焊接顺序、焊接工艺方法及焊接应力和变形的控制措施。

Mark IV gasifier was seriously bulged and the internal jacket had to be replaced.This paper gives a thorough introduction to the replacing procedure,such as removing wear plate and welding new plate,with the emphasis on the welding sequence,welding process and the control measure against the welding stress and deformation.